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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:108AL GHM

Order: 18

Horizontal side: 108 Vertical side: 108

Elements: 1√2, 2, 4, 5, 5√2, 10, 15, 12√2, 15√2, 26, 28, 26√2, 28√2, 52, 54, 56, 40√2, 54√2.

Code: 565 0 52 544 54 54 543 108 54 21 56 54 12 57 53 264 82 28 263 108 28 56 52 48 105 57 43 527 0 52 126 40 40 47 52 52 55 52 43 157 52 43 150 67 43 400 40 40 284 80 0 283 108 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

56
54√2
54
2
1√2
26√2
26
5√2
10
52
12√2
4
5
15
15√2
40√2
28√2
28